Write a function to check if a given tree is a valid binary search tree or not.
Intern Interview Questions
249,890 intern interview questions shared by candidates
Why Bloomberg? Why are you interested in finance?
What is the position you see your self at in 30 years from now?
How many golf balls can fit to an airplane?
What's the most fun project you have made?
what is your gpa
Are you able to fulfill the tasks at hand?
"Why are you interested in our company?"
Concept of OOPS, DBMS queries, basic data structures
How did you hear about the company and why do you want to work for QL
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